From 5787bbe3b35b8ea569ee937e87040b0ca793c2a4 Mon Sep 17 00:00:00 2001
From: kaetemi <kaetemi@gmail.com>
Date: Fri, 11 Jul 2014 19:07:27 +0200
Subject: [PATCH] Backed out changeset: c7649f0bccae

--HG--
branch : sdl2
---
 code/nel/src/misc/system_utils.cpp | 117 +++++++++++++++++++++++++----
 1 file changed, 104 insertions(+), 13 deletions(-)

diff --git a/code/nel/src/misc/system_utils.cpp b/code/nel/src/misc/system_utils.cpp
index 08a99352a..a66eed02f 100644
--- a/code/nel/src/misc/system_utils.cpp
+++ b/code/nel/src/misc/system_utils.cpp
@@ -17,9 +17,6 @@
 #include "stdmisc.h"
 #include "nel/misc/system_utils.h"
 
-#include <SDL_clipboard.h>
-#include <SDL_video.h>
-
 #ifdef NL_OS_WINDOWS
 	#ifndef NL_COMP_MINGW
 		#define NOMINMAX
@@ -111,16 +108,87 @@ bool CSystemUtils::updateProgressBar(uint value, uint total)
 bool CSystemUtils::copyTextToClipboard(const ucstring &text)
 {
 	if (!text.size()) return false;
-	std::string textUtf8 = text.toUtf8();
-	return (SDL_SetClipboardText(textUtf8.c_str()) == 0);
+
+	bool res = false;
+
+#ifdef NL_OS_WINDOWS
+	if (OpenClipboard(NULL))
+	{
+		// check if unicode format is supported by clipboard
+		bool isUnicode = (IsClipboardFormatAvailable(CF_UNICODETEXT) == TRUE);
+
+		// allocates a buffer to copy text in global memory
+		HGLOBAL mem = GlobalAlloc(GHND|GMEM_DDESHARE, (text.size()+1) * (isUnicode ? 2:1));
+
+		if (mem)
+		{
+			// create a lock on this buffer
+			void *hLock = GlobalLock(mem);
+
+			// copy text to this buffer
+			if (isUnicode)
+				wcscpy((wchar_t*)hLock, (const wchar_t*)text.c_str());
+			else
+				strcpy((char*)hLock, text.toString().c_str());
+
+			// unlock buffer
+			GlobalUnlock(mem);
+
+			// empty clipboard
+			EmptyClipboard();
+
+			// set new data to clipboard in the right format
+			SetClipboardData(isUnicode ? CF_UNICODETEXT:CF_TEXT, mem);
+
+			res = true;
+		}
+
+		CloseClipboard();
+	}
+#endif
+
+	return res;
 }
 
 bool CSystemUtils::pasteTextFromClipboard(ucstring &text)
 {
-	char *textUtf8 = SDL_GetClipboardText();
-	if (!textUtf8) return false;
-	text.fromUtf8(textUtf8);
-	return true;
+	bool res = false;
+
+#ifdef NL_OS_WINDOWS
+	if (OpenClipboard(NULL))
+	{
+		// check if unicode format is supported by clipboard
+		bool isUnicode = (IsClipboardFormatAvailable(CF_UNICODETEXT) == TRUE);
+
+		// get data from clipboard (if not of this type, they are converted)
+		// warning, this code can't be debuggued in VC++ IDE, hObj will be always NULL
+		HANDLE hObj = GetClipboardData(isUnicode ? CF_UNICODETEXT:CF_TEXT);
+
+		if (hObj)
+		{
+			// create a lock on clipboard data
+			void *hLock = GlobalLock(hObj);
+
+			if (hLock != NULL)
+			{
+				// retrieve clipboard data
+				if (isUnicode)
+					text = (const ucchar*)hLock;
+				else
+					text = (const char*)hLock;
+
+				// unlock data
+				GlobalUnlock(hObj);
+
+				res = true;
+			}
+		}
+
+		CloseClipboard();
+	}
+#endif
+
+	return res;
 }
 
 bool CSystemUtils::supportUnicode()
@@ -166,14 +234,37 @@ bool CSystemUtils::isAzertyKeyboard()
 
 bool CSystemUtils::isScreensaverEnabled()
 {
-	return SDL_IsScreenSaverEnabled();
+	bool res = false;
+#ifdef NL_OS_WINDOWS
+//	old code, is not working anymore
+//	BOOL bRetValue;
+//	SystemParametersInfoA(SPI_GETSCREENSAVEACTIVE, 0, &bRetValue, 0);
+//	res = (bRetValue == TRUE);
+	HKEY hKeyScreenSaver = NULL;
+	LSTATUS lReturn = RegOpenKeyExA(HKEY_CURRENT_USER, TEXT("Control Panel\\Desktop"), 0, KEY_QUERY_VALUE, &hKeyScreenSaver);
+	if (lReturn == ERROR_SUCCESS)
+	{
+		DWORD dwType = 0L;
+		DWORD dwSize = KeyMaxLength;
+		unsigned char Buffer[KeyMaxLength] = {0};
+
+		lReturn = RegQueryValueExA(hKeyScreenSaver, TEXT("SCRNSAVE.EXE"), NULL, &dwType, NULL, &dwSize);
+		// if SCRNSAVE.EXE is present, check also if it's empty
+		if (lReturn == ERROR_SUCCESS)
+			res = (Buffer[0] != '\0');
+	}
+	RegCloseKey(hKeyScreenSaver);
+#endif
+	return res;
 }
 
 bool CSystemUtils::enableScreensaver(bool screensaver)
 {
-	if (screensaver) SDL_EnableScreenSaver();
-	else SDL_DisableScreenSaver();
-	return true;
+	bool res = false;
+#ifdef NL_OS_WINDOWS
+	res = (SystemParametersInfoA(SPI_SETSCREENSAVEACTIVE, screensaver ? TRUE:FALSE, NULL, 0) == TRUE);
+#endif
+	return res;
 }
 
 std::string CSystemUtils::getRootKey()